Hi there, for a few weeks now my car has been stumbling during the first 30 seconds after starting it, it sounds like it is misfiring with a loud sound in the exhaust (or intake?) like a backfire when rpm is higher during warm up. It almost stalls sometimes.
It gets smooth once rpm drops after warm up. Any idea ? Sparkplugs and coils were replaced 13k miles ago. The car is a 1998 mercedes with the M111 engine. 94k miles on the clock.
It gets smooth once rpm drops after warm up. Any idea ? Sparkplugs and coils were replaced 13k miles ago. The car is a 1998 mercedes with the M111 engine. 94k miles on the clock.
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